Cyanides

Idaho DEQ Sets Second Negotiated Rulemaking Meeting And Draft 2 Comment Deadline For Ore Processing By Cyanidation Rules (Docket 58-0113-2502)

Idaho DEQ is finalizing revised cyanidation rules for ore processing, with a second draft open for stakeholder comment through April 10, 2026. Mining operators should evaluate Draft 2 to ensure technical requirements for cyanide management align with operational capabilities and the 2025 legislative mandate.

28 Mar 2026, 20:29deq.idaho.govUnited States

US EPA Completes Emergency Cleanup of Cyanide and Other Hazardous Wastes at Techtrix Facility in Gadsden, Alabama

The US EPA has completed an emergency removal of over 100,000 gallons of hazardous waste, including cyanide, at an Alabama electroplating facility following years of non-compliance. This intervention highlights the EPA's readiness to exercise emergency powers and the severe liability risks for businesses failing to maintain hazardous waste storage and closure standards.

19 Mar 2026, 19:22epa.govUnited States

Danish EPA Publishes PFAS Groundwater Remediation Study for Taurusvej, Esbjerg

The Danish EPA has released a technical study evaluating remediation technologies for PFAS and hazardous co-contaminants in groundwater, based on industrial site data from Esbjerg. This report establishes technical benchmarks for groundwater treatment that will likely inform future permitting requirements and liability assessments for contaminated site management in Denmark.

10 Mar 2026, 14:44www2.mst.dkDenmark

Argentina Prosecutor Investigates Fish Kill Near Barrick’s Veladero Mine

A criminal investigation has been launched in Argentina following a mass fish kill near the Veladero mine, with sampling detecting mercury and chlorine contamination. This development signals heightened litigation and reputational risk for mining operations in the region, likely leading to stricter environmental monitoring and enforcement of water quality standards.

6 Mar 2026, 13:10miningwatch.caArgentina

Idaho DEQ Schedules Public Meeting on Stibnite Gold Project Cyanidation Permit Modification

Idaho's DEQ is reviewing a cyanidation permit modification for the Stibnite Gold Project, with a public meeting scheduled for March 2nd. This development signals potential shifts in operational compliance requirements for cyanide management, impacting chemical handling and environmental risk mitigation strategies.

25 Feb 2026, 14:20deq.idaho.govUnited States

EU Commission Answers Written Question on Proposed REACH Restriction of Calcium Cyanamide (E-004943/2025)

The European Commission has confirmed plans to ban calcium cyanamide as a fertilizer under REACH, while proposing a doubled transition period to allow for industrial repurposing. Businesses must anticipate a phase-out of this substance, though final terms remain subject to ongoing assessments of economic data and strategic impacts on EU defense capacity.

13 Feb 2026, 13:15europarl.europa.euEuropean Union

Thailand Consults On Draft Single Gateway for Transit of Listed Hazardous Substances via Laem Chabang Port

Thailand is consulting on a draft mandate to route the transit of specific hazardous substances exclusively through the Laem Chabang Port 'Single Gateway' by February 2026. Impacted businesses must review logistics and supply chain routes for regulated chemicals to ensure compliance with restricted entry points and avoid transit delays.

11 Feb 2026, 09:49php.diw.go.thThailand

Denmark Publishes MUDP Report on Recovery of Metals From Discarded Electroplating Baths and Concentrated Wastewater

Denmark's EPA has validated the technical and economic feasibility of recovering nickel, copper, and molybdenum from electroplating waste streams. This signals a shift toward waste-to-resource models that can reduce hazardous waste liabilities while securing secondary raw materials for industrial supply chains.

22 Jan 2026, 14:48mst.dkDenmark

Taiwan MOENV Revises Groundwater Pollution Control Standards

Taiwan's MOENV updated its Groundwater Pollution Control Standards on December 23, 2025, revising concentration limits for monocyclic aromatics, chlorinated solvents, pesticides, and heavy metals. Industrial operators must align site monitoring and remediation strategies with these updated thresholds to mitigate environmental liability and ensure regulatory compliance.

13 Jan 2026, 19:11oaout.moenv.gov.twTaiwan

Japan Environment Ministry Committee Endorses Revisions To Drinking Water Inspection Methods, Including PFOS/PFOA Testing

Japan's Ministry of the Environment has endorsed updated drinking water inspection methods and materials-testing requirements following a late 2025 consultation. Manufacturers of water-supply equipment and testing labs must prepare for new analytical standards, particularly for PFAS and metals, which will dictate future compliance and market access.

11 Jan 2026, 07:00env.go.jpJapan

US EPA Proposes RCRA No-Migration Variances for Clean Harbors Lone Mountain Facility in Oklahoma

US EPA proposes facility-specific RCRA variances to allow temporary staging of treated hazardous wastes at the Clean Harbors Lone Mountain facility through January 2026. This action clarifies EPA's technical criteria for "no-migration" demonstrations, offering a regulatory blueprint for waste management firms seeking operational flexibility in hazardous waste disposal.

4 Jan 2026, 11:42federalregister.govUnited States

EU Commission Clarifies Proposed REACH Restriction on Calcium Cyanamide Fertiliser

The European Commission has confirmed a proposed REACH restriction targeting calcium cyanamide in fertilisers while exempting defence and industrial applications to protect strategic autonomy. Manufacturers must prepare for a phased withdrawal of fertiliser products while leveraging extended transition periods to reorganize production and supply chains.

29 Dec 2025, 12:46europarl.europa.euEuropean Union

Australia (AICIS) Updates CAS Names For 89 AIIC Chemicals

Australia’s AICIS has corrected 89 chemical names on the national inventory to align with international CAS nomenclature standards. While chemical identities remain unchanged, companies should update internal records and labels to ensure administrative alignment with the official registry.

22 Dec 2025, 15:12industrialchemicals.gov.auAustralia

China MEE and National Disease Control Bureau Issue First Batch List of Key Controlled Toxic and Harmful Substances in Soil

China has designated 18 priority substances, including heavy metals and chlorinated solvents, as key controlled soil pollutants to strengthen industrial site monitoring. Manufacturers and mining operators must align site risk assessments and monitoring protocols with this list to ensure compliance with evolving soil pollution prevention standards.

22 Dec 2025, 08:54mee.gov.cnChina

US EPA Proposes No-Migration Variance from RCRA Land Disposal Restrictions for Clean Harbors Lone Mountain

The US EPA has proposed a site-specific "no-migration" variance for Clean Harbors' Oklahoma facility, allowing temporary storage of hazardous wastes before final disposal verification. This development highlights a viable regulatory pathway for waste handlers to gain operational flexibility through engineered containment, provided they can demonstrate zero constituent migration.

11 Dec 2025, 10:32federalregister.govUnited States

ECHA Adds Potassium Dicyanoargentate to Endocrine Disruptor Assessment List

ECHA has added potassium dicyanoargentate to its endocrine disruptor assessment list, signaling the start of a formal hazard evaluation by Dutch authorities. A positive identification of endocrine-disrupting properties would likely lead to stringent market restrictions or reclassification under REACH, CLP, or the Biocidal Products Regulation.

8 Dec 2025, 17:43echa.europa.euEuropean Union

DFI Issues New Ordinance on Fumigant Use Permits

Switzerland is implementing a new ordinance on fumigant use permits effective January 1, 2026, introducing more rigorous training and examination standards. Impacted businesses should review operator qualifications and utilize the transition period through 2030 to ensure continuous compliance with updated safety and environmental protocols.

5 Dec 2025, 16:23fedlex.data.admin.chSwitzerland

EPA Proposes New Emission Limits for Hazardous Waste Combustors, Withdraws 2024 Malfunction Rule

The US EPA has proposed new emission limits for hydrogen fluoride and hydrogen cyanide from hazardous waste combustors, alongside the removal of malfunction exemptions. Impacted facilities must prepare for tighter air compliance standards and a shift toward more rigorous operational reporting and work practice standards for non-routine events.

11 Nov 2025, 15:43federalregister.govUnited States

Thailand Implements Revised List of Hazardous Substances in 2025

Thailand has implemented an updated List of Hazardous Substances (No. 8), effective July 8, 2025, introducing stricter controls on several high-priority chemicals. Manufacturers and importers must immediately verify compliance for substances including dicofol, POPs, and various cyanide compounds to ensure uninterrupted market access and regulatory alignment.

29 Sept 2025, 10:43eping.wto.orgThailand

China Revises Food Additive Lactic Acid National Standard

China is proposing stricter purity and contaminant limits for food-grade lactic acid, including a 97% L-lactic acid threshold and tighter arsenic controls. Manufacturers must review supply chain specifications to ensure compliance with localized standards that diverge from international Codex guidelines.

11 Sept 2025, 10:07eping.wto.orgChina